AI insight queued
Voltkit is preparing product insight and cross-reference information for this part.
MMBT5551-B
Click to open full image.
Part #:MMBT5551-B
Manufacturer:Foshan Blue Rocket Elec
Package:SOT-23
Product Type:Bipolar (BJT)
RoHS: 
Specifications (Specs)
| Manufacturer | Foshan Blue Rocket Elec |
| Part Number | MMBT5551-B |
| Product Type | Bipolar (BJT) |
| RoHS | Yes |
| Package / Case | SOT-23 |
| Stock | 28,735 |
| MOQ | 50 |
| Order Multiple | 50 |
| Packaging | Tape & Reel (TR) |
| Factory Pack Quantity | 3000 |
| Transistor Type | NPN |
| Operating Temperature | - |
| Collector Current (Ic) | 600mA |
| Power Dissipation (Pd) | 500mW |
| Transition Frequency (fT) | 110MHz |
| DC Current Gain (hFE@Ic,Vce) | 100@10mA,5V |
| Collector Cut-Off Current (Icbo) | 100nA |
| Collector-Emitter Breakdown Voltage (Vceo) | 160V |
| Collector-Emitter Saturation Voltage (VCE(sat)@Ic,Ib) | 90mV@50mA,5mA |
Documents & Compliance
Datasheet (PDF)
RoHS:
Alternative Parts & Cross Reference
Cross-reference analysis queued Voltkit will check database-backed and AI-assisted alternatives without delaying this page.
Always verify package, pinout, electrical limits, and datasheets before approving a substitute.
Professional Semiconductor Sourcing
Extensive In-Stock InventoryImmediate stock visibility for active, legacy, and hard-to-find semiconductors.
Authorized Brand AccessVoltkit is an authorized distributor for selected semiconductor brands.
Quality & Traceability SupportRequest date-code review, product photos, traceability documents, or certificate support with your RFQ.
Dedicated Sourcing TeamGet support for target pricing, delivery schedules, BOM sourcing, and alternative-part verification.
Component Summary
MMBT5551-B by Foshan Blue Rocket Elec — Bipolar (BJT); SOT-23 package.
- Manufacturer
- Foshan Blue Rocket Elec
- Product Type
- Bipolar (BJT)
- Package
- SOT-23